<!DOCTYPE html>
<p>Overloading ::-webkit-media-controls -webkit-appearance. PASS if it doesn't crash.</p>
<style>
div {
    position: absolute;
    width: 300px;
    height: 150px;
    z-index: -1;
    -webkit-appearance: button;
}
</style>
<div></div>
<video controls></video>
